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For those of you looking for iphuc for windows.. you can snag it from here[1].

I got a brand new iphone today it arrived with 1.1.2 installed. I followed the instructions downgraded to 1.1.1 and sucessfully jailbreaked it. However with 1.1.1 my AT&T service isn't present (its constantly waiting for activation). It activated just fine under 1.1.2... So, I followed the instructions at [2], installed OktoPrep from Tweaks (1.1.1) and updated to 1.1.2 via itunes. When the update completes my AT&T service activates but I'm jailed again! installer.app is gone!... grrrr...

anyone got any ideas on whats going on here. I'm feeling like I'm very close.

I'd be happy to stay on 1.1.1 if I could get my AT&T service to activate.

[1] http://iphone.cricblogs.com/tag/iphuc/
[2] http://jailbreakme.com/1.1.2/


THANKS IN ADVANCE FOR ANY HELP YOU CAN PROVIDE

I am having the same issue it seems as horsebox. I have a recently purchased iphone activated on itunes with a pre-existing AT&T service plan. I have been able to downgrade the phone from 1.1.2 to 1.1.1 and using the http://jailbreakme.com/1.1.2/ sheet/step list, jail break my phone. It was GREAT to see all the applications that I could/can have on my phone..... BUT..... like horse box, my phone would never find service on v1.1.1. So, I upgraded to v1.1.2 like the instructions said and POOF, I have a working (but non-jailbroken) iphone again. I am using windows and dont have access to a mac computer. I tired to use idemoncracy from here http://code.google.com/p/idemocracy/ but the application never started. I just RE-READ their website and saw the part about downloading .NET framework 3.0 to make it work. so just used the iphuc app that was also in the same .zip file to insert the cmd lines:

cmd setenv auto-boot true
cmd saveenv
cmd fsboot


When I tried to connect iphone to computer and with itunes, it asked me to either:
1) set this up as a new phone OR
2) restore my backup settings "my phone's name here"

will the restore backup settings replace the firmware as well or only return my contacts and other items back to my phone?

the only step I didnt do from the jailbreakme.com/1.1.2 was step 5

"Step 5: Jailbreak your iPod Touch or iPhone

WARNING: If your iPhone is unactivated, it will be factory "hactivated" for you and YouTube enabled.
If this is not desired behavior, activate your iPhone with iTunes before proceeding.

1. Close iTunes

2. Connect your device to your computer

3. On Windows, double click on windows.bat, on Mac, double click on jailbreak.jar

4. Follow the on screen instructions."


What/where is the "windows.bat" that the step ask me to double click? does that have anything to do with returning jailbreak BACK onto the now working 1.1.2 (non-jailbreak) iphone? sorry this is SO long, but wanted to include anything that could help me solve the issue. I have been trying to check all forums and tip/help list to find help so I would ask an already solved issue.

I just found the conceited software download .zip file for the 1.1.2 jailbreak with the windows.bat in it. http://conceitedsoftware.com/iphone/site/112jb.html currently being at work, I can not "double click the file to see if it RE-JAILBREAKS my v1.1.2 working iphone. If anyone tries this and were having the same issues, let me know if it works, otherwise, i will try once I get off at 11pm :(
 
When I tried to connect iphone to computer and with itunes, it asked me to either:
1) set this up as a new phone OR
2) restore my backup settings "my phone's name here"****

will the restore backup settings replace the firmware as well or only return my contacts and other items back to my phone?

****You are finished! Restore my backup Settings "My iPhone's name here" option is where all your contacts, weather, stocks and everything the iPhone has will be restored to the previous saved settings settings. The FIRMWARE will NOT update or anything.

After that just run Windows.bat to jailbreak the phone or the Macosx option in Conciented software package to finish the jailbreak
 
Cant upgrade to 1.1.2

ok so i have had a similar problem. I downgrade from 1.1.2 to 1.1.1 and that works fine however the phone has no service and it just has that one bar. I disregarded that and just went to jailbreak.com and jailbroke the phone and downloaded the oktoprep application. Then I plugged the phone into the computer and tried to update to 1.1.2 and it tries running the update but then in just gives me error 1602 and says the iphone could not be updated and then the iphone is just in recovery mode and i cant get it out so i just restore it again. I want to upgrade it to 1.1.2 with the oktoprep, any help please
 
Then I plugged the phone into the computer and tried to update to 1.1.2 and it tries running the update but then in just gives me error 1602 and says the iphone could not be updated and then the iphone is just in recovery mode and i cant get it out so i just restore it again. I want to upgrade it to 1.1.2 with the oktoprep, any help please

Ditto. Error 1602 Anyone?
 
The iphuc method? I'm hesitant to do that as IDK why it would work where others have failed.. I think it just doesn't work. I activated to AT&T finally yesterday and it's been a nightmare ever since. I had no problems doing anything I wanted before. If I had known modding an AT&T activated phone wasn't possible or this much of a nightmare, I would've delayed hooking the phone part up. I miss my apps. Right now I have a Wifi 1.1.1 with no AT&T that I can't jailbreak.
 
The iphuc method? I'm hesitant to do that as IDK why it would work where others have failed.. I think it just doesn't work. I activated to AT&T finally yesterday and it's been a nightmare ever since. I had no problems doing anything I wanted before. If I had known modding an AT&T activated phone wasn't possible or this much of a nightmare, I would've delayed hooking the phone part up. I miss my apps. Right now I have a Wifi 1.1.1 with no AT&T that I can't jailbreak.

Well, I don't know what to tell you if you aren't willing to try another method. This one, when followed precisely, has worked for a lot of people... Myself included, and I DO have an AT&T phone.
 
I'll try it now. I'm just concerned because I "should" be able to make this work and fear something is amiss that's preventing it. Fingers crossed.
 
Well, IDK what this iphuc is or how to use it so I'm again trying the regular way. I can get to 1.1.1 jailbreaked with installer on it but of course no AT&T.
Still unclear why I just can't jailbreakme on 1.1.1 and have AT&T working. I did my husband's phone and it works fine. I didn't have to deal with independence at all. I then took his to 1.1.2
 
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